config.h: define _GNU_SOURCE

Otherwise we don't get goodies like asprintf, and 64-bit offsets.  Should
be a harmless-define on non-glibc systems.

diff --git a/config.h b/config.h
index c540af3002cb32e0035397f70e54cf6388584772..9d354869adc672d8044b5618f9d174ffd91df14c 100644 (file)
--- a/config.h
+++ b/config.h
@@ -1,6 +1,7 @@
+/* Generated by CCAN configurator */

 #ifndef CCAN_CONFIG_H
 #define CCAN_CONFIG_H
 #ifndef CCAN_CONFIG_H
 #define CCAN_CONFIG_H

-/* Generated by CCAN configurator */
+#define _GNU_SOURCE /* Always use GNU extensions. */

 #define CCAN_COMPILER "cc"
 #define CCAN_CFLAGS "-g -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations"
 
 #define CCAN_COMPILER "cc"
 #define CCAN_CFLAGS "-g -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations"
 

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index b150dadb56d99f9e21bb4702b1f9af0e3e943bb6..4972e9e198bb56a4ed5bc910722a9d9b8625ce7c 100644 (file)
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -337,9 +337,10 @@ int main(int argc, char *argv[])
        unlink(INPUT_FILE);
 
        cmd[strlen(cmd) - strlen(" -o " OUTPUT_FILE " " INPUT_FILE)] = '\0';
        unlink(INPUT_FILE);
 
        cmd[strlen(cmd) - strlen(" -o " OUTPUT_FILE " " INPUT_FILE)] = '\0';

-       printf("#ifndef CCAN_CONFIG_H\n"
-              "#define CCAN_CONFIG_H\n"
-              "/* Generated by CCAN configurator */\n");
+       printf("/* Generated by CCAN configurator */\n"
+              "#ifndef CCAN_CONFIG_H\n"
+              "#define CCAN_CONFIG_H\n");
+       printf("#define _GNU_SOURCE /* Always use GNU extensions. */\n");

        printf("#define CCAN_COMPILER \"%s\"\n", argv[1]);
        printf("#define CCAN_CFLAGS \"%s\"\n\n", cmd + strlen(argv[1]) + 1);
        for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
        printf("#define CCAN_COMPILER \"%s\"\n", argv[1]);
        printf("#define CCAN_CFLAGS \"%s\"\n\n", cmd + strlen(argv[1]) + 1);
        for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)